The English Crossword Puzzle

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Across
  1. 2. someone you do not know
  2. 4. activity where two partiets exchange their assets
  3. 6. somebody between the ages 15-20
Down
  1. 1. the opposite of being an open book
  2. 2. you watch something on a...
  3. 3. waste products that you collect in a plastic bag
  4. 5. when you can put your mind at ease/rest